In an embodiment, a power module may include: a plurality of first stages, each having an H-bridge to receive an incoming AC voltage at a first frequency and rectify the incoming AC voltage to a DC voltage; a plurality of DC buses, each to receive the DC voltage from one of the plurality of first stages; a plurality of second stages, each coupled to one of the plurality of DC buses to receive the DC voltage and output a second AC voltage at a second frequency; and a hardware configuration system having fixed components and optional components to provide different configurations for the power module.
Legal claims defining the scope of protection, as filed with the USPTO.
2. The power module of claim 1, wherein when the configurable module is adapted in the second EV charging system the plurality of jumper connector points are unconnected.
3. The power module of claim 2, wherein when the configurable module is adapted in the first EV charging system, the plurality of first stages are coupled in series via the one or more jumpers coupled to the first set of the plurality of jumper connection points.
4. The power module of claim 1, wherein the one or more jumpers comprise a first set of jumpers to serialize the plurality of first stages.
5. The power module of claim 4, wherein the one or more jumpers further comprise a second set of jumpers coupled to the plurality of first stages to enable a bypass operation to occur.
6. The power module of claim 1, further comprising a controller coupled to the plurality of first stages and the plurality of second stages, wherein the controller, in a first mode, is to configure the power module for unidirectional power flow to provide at least one of a charging current or a charging voltage to at least one EV coupled to the EV charging system, and, in a second mode, is to configure the power module for bidirectional power flow to provide the at least one of the charging current or the charging voltage to the at least one EV or to provide power from the at least one EV to a distribution grid network.
8. The power module of claim 6, further comprising a plurality of current sensors adapted to the circuit board, wherein based at least in part on sensing information from one or more of the plurality of current sensors, the controller is to cause at least one of the plurality of first stages to be bypassed.
9. The power module of claim 1, wherein the circuit board forms an enclosure for the power module.
11. The power module of claim 1, further comprising a second configurable module, wherein when the second configurable module is adapted in the first EV charging system, a plurality of first stages of the second configurable module are to provide a DC charging voltage to at least one EV coupled to the first EV charging system.
12. The power module of claim 1, further comprising a second configurable module, wherein when the second configurable module is adapted in the second EV charging system, a plurality of second stages of the second configurable module are to provide at least one of a charging voltage or a charging current to at least one EV coupled to the second EV charging system.
16. The EV charging system of claim 15, wherein the first circuit board and the second circuit board have a common design.
17. The power module of claim 1, wherein the H-bridge of the plurality of first stages is configured as a buck boost converter via a jumper coupled to a first one of the second set of the plurality of jumper connector points and a second one of the second set of the plurality of jumper connector points, to couple a midpoint of a first side of the H-bridge to a midpoint of a second side of the H-bridge.
18. The power module of claim 17, further comprising at least one other jumper to couple the midpoint of the first side of the H-bridge to an external inductor.
19. The power module of claim 1, wherein when the configurable module is adapted in the first EV charging system, the one or more jumpers comprises a first jumper to couple a midpoint of a first side of the H-bridge of a first stage of the plurality of first stages to a negative side of the DC bus of the first stage.
20. The power module of claim 19, wherein when the configurable module is adapted in the first EV charging system, the one or more jumpers further comprises a second jumper to couple the midpoint of the first side of the H-bridge to a midpoint of a second side of the H-bridge.
21. The power module of claim 20, wherein when the configurable module is adapted in the first EV charging system, the one or more jumpers further comprises a third jumper to couple the midpoint of the second side of the H-bridge to a midpoint of a first side of an H-bridge of a second stage of the plurality of first stages.
22. The power module of claim 19, wherein in the first EV charging system, the plurality of first stages are coupled in series.
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
August 4, 2021
January 17, 2023
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